Malicious PDF — malware analysis report

Static analysis result for SHA-256 071399d7ec5c617c…

MALICIOUS

PDF

44.0 KB Created: 2021-06-02 06:39:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: ad085c766aaf80201d8ef2a6a6b3b184 SHA-1: 1789cb29c0d2e279493d83564978b5a4e98f8cf2 SHA-256: 071399d7ec5c617cdeac4aa3cd0acd51b85205295e9eac36838ced047980957c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://netcdn.xyz/app/431946152/hacked-roblox-games-2021-game-hack PDF link annotation
    • http://firesafetyservices.biz/images/arsenal-hacks-roblox_GM431946152.pdfIn PDF document text
    • http://firesafetyservices.biz/images/free-roebucks_GM431946152.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/minecraft-wurst_GM479516143.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-spin-hack-app_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/roblox-apk-hack_GM431946152.pdfIn PDF document text
    • http://firesafetyservices.biz/images/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • http://firesafetyservices.biz/images/claim-roblox_GM431946152.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-hack-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-gift-hack_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/roblox-toy-codes-free_GM431946152.pdfIn PDF document text
    • http://firesafetyservices.biz/images/free-spins-and-coins-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-game-for-pc-free-download_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-mod-apk-2021_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/coin-master-online_GM406889139.pdfIn PDF document text
    • http://firesafetyservices.biz/images/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • http://firesafetyservices.biz/images/lastrick-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004fb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FB2 24132 bytes
SHA-256: a0f6077a2b94e8dc20b94b318fab693073492d79d3517a4a771abaf5e319e38c
font_01_sfnt_off000086fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x86FA 19016 bytes
SHA-256: 6a36b065a093b03584dcb322a8976f885bc4d9f084f4fa4c42ef413abd93b89e

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